<?php
js_enqueue('t.base','t');
function t_menu(){
	return array();
}
add_filter('menu_array','t_menu');

function t_head(){
	echo 
<<<s_tab_head
<style>
#header,#col1{display:none;}
#canvas{border:1px solid red;}
</style>
s_tab_head;
}

add_action('after_html', 't_head');

?>
<canvas id="canvas" width="550" height="550">
  current stock price: $3.15 +0.15
</canvas>